D is the correct answer on this question
Answer:
Es el libro __<em>del</em>__ (profesor).
It looks fine to me i think there is some mistakes but u can like change the language on word to see the mistakes, as a spanish speaker it looks fine
1. Es
2. Estoy
3.Son
4.Son
5. Esta
6. Esta
7. Es
8. Eres
9.Son
10.Esta?
11.Esta?
12.Es
13.Estamos
14.esta?
15.soy?
I’m not so sure about the ones with question marks but I hope this helps